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North Fishtail Bay, Douglas Lake, Cheboygan County, Michigan, USA
latitude: 45.588799
longitude: -84.664703
Precision of location: Gauged from chart or map
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Dugesia tigrina | Jul 8, 1940 | several immature specimens among vegetation (coll. C.O. Berg). A sedge pool, a few feet from the lake shore. |